1387880069968

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{667553}}^1$

素因数の和:668564

約数の個数: 80

約数和(自身を含む): 3238224347520

約数和(自身を除く): 1850344277552

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 977, 1064, 1954, 2128, 3908, 6839, 7816, 13678, 15632, 18563, 27356, 37126, 54712, 74252, 109424, 129941, 148504, 259882, 297008, 519764, 667553, 1039528, 1335106, 2079056, 2670212, 4672871, 5340424, 9345742, 10680848, 12683507, 18691484, 25367014, 37382968, 50734028, 74765936, 88784549, 101468056, 177569098, 202936112, 355138196, 652199281, 710276392, 1304398562, 1420552784, 2608797124, 4565394967, 5217594248, 9130789934, 10435188496, 12391786339, 18261579868, 24783572678, 36523159736, 49567145356, 73046319472, 86742504373, 99134290712, 173485008746, 198268581424, 346970017492, 693940034984, 1387880069968]

約数ペア:

[(1, 1387880069968), (2, 693940034984), (4, 346970017492), (7, 198268581424), (8, 173485008746), (14, 99134290712), (16, 86742504373), (19, 73046319472), (28, 49567145356), (38, 36523159736), (56, 24783572678), (76, 18261579868), (112, 12391786339), (133, 10435188496), (152, 9130789934), (266, 5217594248), (304, 4565394967), (532, 2608797124), (977, 1420552784), (1064, 1304398562), (1954, 710276392), (2128, 652199281), (3908, 355138196), (6839, 202936112), (7816, 177569098), (13678, 101468056), (15632, 88784549), (18563, 74765936), (27356, 50734028), (37126, 37382968), (54712, 25367014), (74252, 18691484), (109424, 12683507), (129941, 10680848), (148504, 9345742), (259882, 5340424), (297008, 4672871), (519764, 2670212), (667553, 2079056), (1039528, 1335106)]